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Analysis

  • max time kernel
    134s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 11:21

General

  • Target

    e39efc1e1e00404b9ddc7659941af58f417a6383baf12b5878b1da36e46ae55f.exe

  • Size

    16KB

  • MD5

    10a826203139ab5be148ca3ff88b8acc

  • SHA1

    1be8e646f6966b9ff6658a5ed52c0953f11157a6

  • SHA256

    e39efc1e1e00404b9ddc7659941af58f417a6383baf12b5878b1da36e46ae55f

  • SHA512

    1a65232447d851a2380edb1533d8137a0b3a2236ab757b8473ec11e393604a77db3b64764c6f2c2d3fbc11c1ab7c32a8a1ec493e2b4a509af8adcce1be3b552e

  • SSDEEP

    384:W1JeqToh3OscVnLTCAM+o/8E9VF0NyPS3E:W16dOsclLTCAMxkEd0E

Malware Config

Extracted

Family

xworm

Version

5.0

C2

192.3.101.172:7000

Mutex

NaDGFqrxW3KfaOw9

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e39efc1e1e00404b9ddc7659941af58f417a6383baf12b5878b1da36e46ae55f.exe
    "C:\Users\Admin\AppData\Local\Temp\e39efc1e1e00404b9ddc7659941af58f417a6383baf12b5878b1da36e46ae55f.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 3096
      2⤵
      • Program crash
      PID:2748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3616 -ip 3616
    1⤵
      PID:1680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3616-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/3616-1-0x00000000000A0000-0x00000000000A8000-memory.dmp

      Filesize

      32KB

    • memory/3616-2-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-3-0x0000000004880000-0x0000000004890000-memory.dmp

      Filesize

      64KB

    • memory/3616-6-0x0000000005970000-0x000000000597E000-memory.dmp

      Filesize

      56KB

    • memory/3616-7-0x0000000005A30000-0x0000000005ACC000-memory.dmp

      Filesize

      624KB

    • memory/3616-8-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-9-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-11-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/3616-12-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-13-0x0000000006220000-0x0000000006286000-memory.dmp

      Filesize

      408KB

    • memory/3616-14-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-15-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-16-0x00000000071F0000-0x0000000007282000-memory.dmp

      Filesize

      584KB

    • memory/3616-17-0x0000000007840000-0x0000000007DE4000-memory.dmp

      Filesize

      5.6MB

    • memory/3616-18-0x0000000007140000-0x000000000714E000-memory.dmp

      Filesize

      56KB

    • memory/3616-19-0x0000000007390000-0x00000000074B0000-memory.dmp

      Filesize

      1.1MB

    • memory/3616-20-0x00000000074B0000-0x0000000007804000-memory.dmp

      Filesize

      3.3MB

    • memory/3616-21-0x0000000007DF0000-0x0000000007E3C000-memory.dmp

      Filesize

      304KB

    • memory/3616-60-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB